4-Cyano-5-methoxy-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine
3-Cyano-2-methyl-6-(trifluoromethoxy)-4-(trifluoromethyl)pyridine
4-Cyano-5-methoxy-3-(trifluoromethoxy)-2-(trifluoromethyl)pyridine
3-Cyano-2-methyl-4-(trifluoromethoxy)-5-(trifluoromethyl)pyridine